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  • What are the health benefits of sauna? Scientifically proven benefits and a complete guide

    sauna wellness

    Saunas have been used for centuries as a wellness practice, but beyond relaxation, sauna use triggers a range of physiological responses that can positively influence health.

    In this guide, you’ll learn what a sauna is, its proven benefits, when it’s best to use one, and what precautions you should take to enjoy it safely.

    What is a sauna?

    A sauna is an enclosed space designed to expose the body to high temperatures in a controlled environment, typically ranging from 70°C to 100°C.

    Quick summary: A sauna is good for…

    • Improving cardiovascular health
    • Reducing stress and anxiety
    • Supporting muscle recovery
    • Improving sleep quality
    • Supporting the immune system

    What happens in your body when you enter a sauna?

    When you step into a sauna, your body activates several heat-adaptation mechanisms:

    • Increase in core body temperature: Internal temperature can rise by 1–2°C, mimicking a moderate exercise response.
    • Intense sweating: The body produces sweat to regulate temperature.
    • Vasodilation: Blood vessels widen, improving circulation.
    • Increased heart rate: Pulse can rise to 120–150 beats per minute.

    Difference between dry and wet saunas: A dry sauna uses heat with low humidity, while a wet sauna combines heat with high humidity.

    Main benefits of sauna use

    Cardiovascular health

    Sauna use improves circulatory system function:

    • Enhances blood vessel elasticity
    • May lower blood pressure over time
    • Reduces the risk of cardiovascular events

    A study from the University of Eastern Finland linked frequent sauna use with a lower risk of heart attack and cardiovascular mortality.1

    Mental relaxation and stress reduction

    Heat exposure promotes deep relaxation:

    • Lowers cortisol levels
    • Relieves muscle tension
    • Encourages a sense of calm

    Regular sauna use may benefit people with cardiovascular risk factors such as high cholesterol, hypertension, and diabetes.2

    Muscle recovery and athletic performance

    Using a sauna after physical activity can:

    • Reduce delayed onset muscle soreness
    • Improve blood flow to fatigued muscles
    • Speed up recovery

    Research published in the Journal of Science and Medicine in Sport found that post-exercise sauna use improved endurance and cardiovascular adaptation in athletes. 3

    Skin health and pore cleansing

    Sweating helps open pores and remove surface impurities:

    • Improves skin appearance
    • Supports skin oxygenation
    • May help oily or mildly acne-prone skin

    Studies show sauna use can improve the skin barrier, hydration, and pH balance while removing surface debris. 4

    Better sleep quality

    Sauna sessions may improve sleep:

    • Helps you fall asleep faster
    • Promotes deeper rest
    • Supports circadian rhythm regulation

    Clinical reviews indicate sauna use is associated with improved sleep quality and deeper rest. 5

    Immune system support

    Sauna use may strengthen immune defenses:

    • Stimulates white blood cell production
    • May reduce the frequency of colds

    Research suggests regular sauna use can contribute to stronger immune function.

    To enjoy these benefits at home, explore our wide range of saunas and find the perfect fit for your space.6

    Outdoor Sauna Cabin with Veranda Felix 2 x 4 m

    Dry sauna vs. wet sauna vs. steam rooms

    Dry sauna

    Dry saunas use hot air with very low humidity, usually below 20%. Temperatures typically range between 80°C and 100°C, producing intense sweating.

    They are ideal for cardiovascular health, deep relaxation, and muscle recovery. Dry saunas are the most commonly installed sauna type due to their efficiency and powerful benefits in shorter sessions.

    Wet sauna

    Wet saunas combine heat with higher humidity levels, usually between 40% and 60%. Temperatures are lower than in dry saunas, but the heat feels more enveloping.

    They’re more comfortable for people sensitive to dry heat and may help moisturise airways and relieve nasal dryness.

    Steam rooms

    Steam rooms operate with saturated water vapour, reaching humidity levels close to 100%, with temperatures around 40–50°C.

    This environment is ideal for easing respiratory congestion, skin care, and gradual relaxation, making it suitable for those with lower heat tolerance.

    If you’re also curious about installation costs, you can read more about the cost of a sauna in Spain here.

    How long and how often should you use a sauna?

    The duration and frequency of sauna use directly affect the benefits you’ll experience.

    Recommendations based on goals

    Relaxation and stress reduction
    10–15 minutes per session, 2–3 times per week

    Muscle recovery and athletic performance
    15–20 minutes post-exercise, up to 3 times per week

    Cardiovascular health and general wellbeing
    15–20 minutes, 3–4 times per week

    Improved sleep
    10–15 minutes in the late afternoon or early evening

    Safe time limits

    For most healthy individuals:

    • Do not exceed 20 minutes per session in traditional saunas
    • Watch for dizziness, weakness, or nausea
    • Leave immediately if you feel unwell

    How to increase sauna use gradually

    If you’re new to sauna use:

    • Start with 5–10 minute sessions
    • Increase time by 2–5 minutes per week
    • Allow at least one rest day between sessions initially

    This gradual approach helps your body adapt safely to heat stress.

    Contraindications and who should be careful

    Consult a doctor before using a sauna if you have:

    • Severe cardiovascular disease
    • Uncontrolled hypertension
    • Pregnancy
    • Fever or active infection

    Common sauna myths

    Myth: “Saunas detoxify the body”
    Fact: Detoxification is performed by the liver and kidneys. Saunas only help remove surface impurities through sweat.

    Myth: “Saunas cause weight loss”
    Fact: Weight loss during sauna use is temporary water loss, not fat loss.

    Myth: “A sauna is the same as a hot bath”
    Fact: Saunas trigger a much stronger thermal and cardiovascular response.

    Safe sauna use tips

    • Stay well hydrated before and after sessions
    • Avoid alcohol, which increases dehydration risk
    • Shower after use to rinse off sweat and cool down gradually
    • Start with short sessions and build up slowly

    Listening to your body is the best way to enjoy sauna use safely and comfortably.

    Frequently asked questions (FAQ)

    Thermo Wood Sauna Built in Marbella

    What is a sauna used for?

    Saunas are used to improve cardiovascular health, reduce stress, and support muscle recovery. Regular use offers both physical and mental benefits.

    Does a sauna help with weight loss?

    No. It only causes temporary water loss, not fat loss.

    How long should you stay in a sauna?

    10–20 minutes per session is recommended.

    Is it bad to use a sauna every day?

    For healthy individuals, moderate daily use can be safe if adjusted to personal tolerance.

    Can a sauna help you sleep better?

    Yes. Sauna use promotes relaxation and improves sleep quality.

    Where can you buy saunas?

    At Casetas de Jardín 24, you’ll find a wide selection of high-quality, durable saunas for different spaces.

    Sources:

    1. https://academic.oup.com/eurjpc/article-abstract/25/2/127/5926082?redirectedFrom=fulltext
    2. https://www.health.harvard.edu/blog/sauna-use-linked-longer-life-fewer-fatal-heart-problems-201502257755
    3. https://restorehlc.com/wp-content/uploads/2021/09/effect-of-post-exercise-sauna-bathing-on-the-endurance-performance-of-competitive-male-runners.pdf
    4. https://pubmed.ncbi.nlm.nih.gov/18525205/
    5. https://pubmed.ncbi.nlm.nih.gov/38577299/
    6. https://pubmed.ncbi.nlm.nih.gov/36813265/
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